Design and emotional expressiveness of Gertie (An open hardware robotic desk lamp). - Fabian Gerlinghaus; Brennand Pierce; Torsten Metzler; Iestyn Jowers; Kristina Shea; Gordon Cheng (RO-MAN, 2012)

A Model-Based Assessment for the Solution Space of a Cognitive Coffee Robot Waiter. - Thierry Sop Njindam; Torsten Metzler; Udo Lindemann; Kristin Paetzold (CSDM (Posters), 2013)

Models and methods for the systematic integration of cognitive functions into product concepts. - Torsten Metzler (Verlag Dr. Hut, 2016)